Humectant

Arginine

INCI · Arginine · also L-Arginine

Revelika safety grade

Overview

An amino acid that serves as a skin-conditioning humectant and is also used to neutralize (raise the pH of) acidic formulas. It contributes to the skin's natural moisturizing factors.

Who it's for

Most skin types; common in hydrating and buffered formulas.

Cautions

Well tolerated; primarily a supporting and pH-balancing ingredient.

Suitability
Suits skin type
Dry Oily Combination Sensitive Acne-prone Mature Normal
Targets
Concentration
Concentration0 – 10%
Effective from
Max safe
In the glossary
Frequently asked
What does Arginine do in skincare?

An amino acid that serves as a skin-conditioning humectant and is also used to neutralize (raise the pH of) acidic formulas. It contributes to the skin's natural moisturizing factors.

Is Arginine considered safe for skin?

Well tolerated; primarily a supporting and pH-balancing ingredient.

RRevelika

A science-forward beauty ingredient encyclopedia. Every entry is written from published research and graded conservatively before it publishes.

Editorial standard

Content is educational, not medical advice. When evidence is uncertain we say so — and we default to caution on pregnancy safety.

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